package collection_250224;

import java.util.Arrays;
import java.util.HashSet;
import java.util.List;

public class set1 {
    public static void main(String[] args) {
        HashSet<String> s1 = new HashSet<>();
        s1.add("c");
        s1.add("d");
        s1.add("f");
        System.out.println(s1);
//        String[] array = s1.toArray(String[]::new);
        s1.forEach(System.out::println);
    }
}

class C1{

}